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mirror of https://github.com/zitadel/zitadel.git synced 2024-12-21 07:17:39 +00:00
Tim Möhlmann f680dd934d
refactor: rename package errors to zerrors ()
* chore: rename package errors to zerrors

* rename package errors to gerrors

* fix error related linting issues

* fix zitadel error assertion

* fix gosimple linting issues

* fix deprecated linting issues

* resolve gci linting issues

* fix import structure

---------

Co-authored-by: Elio Bischof <elio@zitadel.com>
2023-12-08 15:30:55 +01:00

79 lines
1.8 KiB
Go

package config
import (
"encoding/json"
"io/ioutil"
"os"
"path/filepath"
"github.com/BurntSushi/toml"
"sigs.k8s.io/yaml"
"github.com/zitadel/zitadel/internal/zerrors"
)
type ValidatableConfiguration interface {
Validate() error
}
type ReaderFunc func(data []byte, o interface{}) error
var (
JSONReader = json.Unmarshal
TOMLReader = toml.Unmarshal
YAMLReader = func(data []byte, o interface{}) error { return yaml.Unmarshal(data, o) }
)
// Read deserializes each config file to the target obj
// using a Reader (depending on file extension)
// env vars are replaced in the config file as well as the file path
func Read(obj interface{}, configFiles ...string) error {
for _, cf := range configFiles {
readerFunc, err := readerFuncForFile(cf)
if err != nil {
return err
}
if err := readConfigFile(readerFunc, cf, obj); err != nil {
return err
}
}
if validatable, ok := obj.(ValidatableConfiguration); ok {
if err := validatable.Validate(); err != nil {
return err
}
}
return nil
}
func readConfigFile(readerFunc ReaderFunc, configFile string, obj interface{}) error {
configFile = os.ExpandEnv(configFile)
configStr, err := ioutil.ReadFile(configFile)
if err != nil {
return zerrors.ThrowInternalf(err, "CONFI-nJk2a", "failed to read config file %s", configFile)
}
configStr = []byte(os.ExpandEnv(string(configStr)))
if err := readerFunc(configStr, obj); err != nil {
return zerrors.ThrowInternalf(err, "CONFI-2Mc3c", "error parse config file %s", configFile)
}
return nil
}
func readerFuncForFile(configFile string) (ReaderFunc, error) {
ext := filepath.Ext(configFile)
switch ext {
case ".yaml", ".yml":
return YAMLReader, nil
case ".json":
return JSONReader, nil
case ".toml":
return TOMLReader, nil
}
return nil, zerrors.ThrowUnimplementedf(nil, "CONFI-ZLk4u", "file extension (%s) not supported", ext)
}